package com.hui;

public class Director {
    Biulder biulder;

    public Director(Biulder biulder) {
        this.biulder = biulder;
    }

    public Bike constructBiulder() {
        biulder.biudCheZuo();
        biulder.biuudCheJia();
        return biulder.createBike();
    }
}
